List of Parliamentary constituencies in Berkshire

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A map of a country, divided into many smaller counties. One county, situated in a southern-central location, is highlighed in red
The county of Berkshire in relation to England.

The ceremonial county of Berkshire, (which is entirely made up of unitary authoritiesBracknell Forest, Reading, Slough, West Berkshire, Windsor and Maidenhead and Wokingham) is divided into eight Parliamentary constituencies: two Borough constituencies and six County constituencies.

2015 constituencies[edit]

  † Conservative   ‡ Labour   ¤ Liberal Democrat

(part) signifies that only part of a ward is located in the constituency.

Name[nb 1] Electorate[1] Majority[nb 2] Member of Parliament Nearest opposition Electoral wards[2][3] Map
Bracknell CC 81,271 16,016   Dr Phillip Lee   Paul Bidwell‡ Bracknell Forest Borough Council: Bullbrook, Central Sandhurst, College Town, Crown Wood, Crowthorne, Great Hollands North, Great Hollands South, Hanworth, Harmans Water, Little Sandhurst and Wellington, Old Bracknell, Owlsmoor, Priestwood and Garth, Wildridings and Central. Wokingham Borough Council: Finchampstead North, Finchampstead South, Wokingham Without.
A large constituency in the south of the county.
Maidenhead CC 74,154 26,457 Theresa May† (Prime Minister)   Pat McDonald‡ Windsor and Maidenhead Royal Borough Council: Belmont, Bisham and Cookham, Boyn Hill, Bray, Cox Green, Furze Platt, Hurley and Walthams, Maidenhead Riverside, Oldfield and Pinkneys Green. Wokingham Borough Council: Charvil, Coronation, Hurst, Remenham, Wargrave and Ruscombe, Sonning, Twyford.
A medium-sized constituency located in the south east of the county.
Newbury CC 79,512 24,380 Richard Benyon Judith Bunting¤ West Berkshire District Council: Aldermaston, Basildon, Bucklebury, Chieveley, Clay Hill, Cold Ash, Compton, Downlands, Falkland, Greenham, Hungerford, Kintbury, Lambourn Valley, Northcroft, St Johns, Speen, Thatcham Central, Thatcham North, Thatcham South and Crookham, Thatcham West, Victoria.
A medium-sized constituency, located to the north of the centre of the county. It is entirely bounded by other constituencies in the county.
Reading East BC 73,232 3,749   Matt Rodda‡ Rob Wilson Reading Borough Council: Abbey, Caversham, Church, Katesgrove, Mapledurham, Park, Peppard, Redlands, Thames. Wokingham Borough Council: Bulmershe and Whitegates, Loddon, South Lake.
A medium-to-large constituency, located in the southeast of the county.
Reading West CC 72,567 2,876 Alok Sharma Olivia Bailey‡ Reading Borough Council: Battle, Kentwood, Minster, Norcot, Southcote, Tilehurst, Whitley. West Berkshire District Council: Birch Copse, Calcot, Pangbourne, Purley on Thames, Theale, Westwood.
A small constituency, located in the centre of the county, to the east of two other small constituencies.
Slough BC 86,366 16,998 Tan Dhesi Mark Vivis† Slough Borough Council: Baylis and Stoke, Britwell, Central, Chalvey, Cippenham Green, Cippenham Meadows, Farnham, Foxborough, Haymill, Kedermister, Langley St Mary’s, Upton, Wexham Lea.
A small constituency, located in the centre of the county to the south of two equally small constituencies.
Windsor CC 71,554[4] 22,384 Adam Afriyie   Peter Shearman‡ Bracknell Forest Borough Council: Ascot, Binfield with Warfield, Warfield Harvest Ride, Winkfield and Cranbourne. Slough Borough Council: Colnbrook with Poyle. Windsor and Maidenhead Royal Borough Council: Ascot and Cheapside, Castle Without, Clewer East, Clewer North, Clewer South, Datchet, Eton and Castle, Eton Wick, Horton and Wraysbury, Old Windsor, Park, Sunningdale, Sunninghill and South Ascot.
A small constituency, situated in the centre of the county to the west of two similarly-sized constituencies.
Wokingham CC 77,881 18,798 John Redwood   Andy Croy‡ West Berkshire District Council: Burghfield, Mortimer, Sulhamstead. Wokingham Borough Council: Arborfield, Barkham, Emmbrook, Evendons, Hawkedon, Hillside, Maiden Erlegh, Norreys, Shinfield North, Shinfield South, Swallowfield, Wescott, Winnersh.
A small constituency, situated in the centre of the county to the west of two similarly-sized constituencies.

Changes for the 2010 election[edit]

Current proposals by the Boundary Commission for England would retain these 8 constituencies, with changes to realign constituency boundaries with the boundaries of current local government wards, and to reduce the electoral disparity between constituencies. These changes will take effect at the United Kingdom general election, 2010.

Constituency Pre-2010 Boundaries Post-2010 Boundaries
1. Bracknell CC BerkshireParliamentaryConstituenciesNumbered.svg BerkshireParliamentaryConstituencies2007.svg
2. Maidenhead CC
3. Newbury CC
4. Reading East BC
5. Reading West CC
6. Slough BC
7. Windsor CC
8. Wokingham CC

Results maps[edit]

2005 2010 2015 2017
BerkshireParliamentaryConstituency2005Results.svg BerkshireParliamentaryConstituency2010Results.svg BerkshireParliamentaryConstituency2010Results.svg BerkshireParliamentaryConstituency2017Results2.png

Total Votes by Party[edit]

The total number of aggregate votes cast for each political party which fielded candidates in Berkshire in the 2010 general election was as follows:

Party Votes Votes% Seats
Conservative 209,400 50.6 7
Liberal Democrats 104,133 25.2 -
Labour 74,613 18.0 1
UKIP 12,402 3.0 -
Greens 5,185 1.3 -
BNP 3,028 0.7 -
Independents 2,960 0.7 -
Common Sense Party 852 0.2 -
Monster Raving Loony 329 0.1 -
For Freedom & Responsibility 270 0.1 -
Apolitical Democrats 95 0.0 -
Scrap Members' Allowances 60 0.0 -

In the 2015 general election the aggregate results were as follows:

Party Votes Votes% Seats
Conservative 226,542 54.3 7
Labour 91,583 21.9 1
UKIP 44,334 10.6 -
Liberal Democrats 37,169 8.9 -
Greens 16,207 3.9 -
Independents 1,261 0.3 -
Apolitical Democrats 228 0.1 -
TUSC 83 0.0 -
Roman Party 64 0.0 -
Class War 55 0.0 -
Patriotic Socialist Party 53 0.0 -
Total 417,479 100.0 8

Historical constituencies[edit]

Historical representation by party[edit]

1885 to 1950[edit]

  Conservative   Labour   Liberal

Constituency 1885 1886 90 1892 1895 98 1900 01 04 1906 Jan 1910 Dec 1910 13 16 1918 21 22 1922 1923 1924 1929 1931 1935 42 1945
Abingdon Wroughton A. K. Loyd Strauss Henderson A. K. Loyd Wigan A. T. Loyd Lessing Glyn
Newbury W. G. Mount W. A. Mount Mackarness W. A. Mount Brown Stranger Brown Hurd
Reading Murdoch Palmer Murdoch Palmer Isaacs Wilson Cadogan Hastings Williams Hastings Howitt Mikardo
Windsor Richardson-Gardner Barry Mason Gardner Somerville Mott-Radclyffe
Wokingham Russell Young Gardner

1950 to present[edit]

  Conservative   Labour   Liberal Democrats

Constituency 1950 1951 53 1955 1959 1964 1966 1970 Feb 74 Oct 74 1979 1983 1987 1992 93 1997 2001 2005 2010 2015 2017
Abingdon Glyn Neave T. Benyon In Oxfordshire
Newbury Hurd Astor McNair-Wilson Chaplin Rendel R. Benyon
Reading North (1950-55, 74-83) / Reading West (1983) K. Mackay Bennett Durant Salter Sharma
Reading South / Reading (1955) / Reading East (1983) Mikardo Emery Lee Vaughan Griffiths Wilson Rodda
Windsor (1950-74, 1997-) / Windsor and Maidenhead
Mott-Radclyffe Glyn Trend Afriyie
Wokingham Remnant van Straubenzee Redwood
Slough In Buckinghamshire Watts Mactaggart Dhesi
East Berkshire


A. MacKay Lee
Maidenhead May

Graphical representation[edit]

3.9 21.9% 8.9% 54.3% 10.6%
Grn Labour Lib Dems Conservative UKIP
1.6 32.8% 10.3% 53.9% 0.8%
Grn Labour Lib Dems Conservative UKIP


  1. ^ BC denotes borough constituency, CC denotes county constituency.
  2. ^ The majority is the number of votes the winning candidate receives more than their nearest rival.


  1. ^ "2015 Electorates". 
  2. ^ "The Parliamentary Constituencies (England) Order 2007, page 4". Office of Public Sector Information. Crown copyright. 13 June 2007. Retrieved 7 November 2009. 
  3. ^ Boundary Commission for England pp. 1004–1007
  4. ^ total electorate provided by local returning officer 23 June 2015